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News

Water quality surges ahead through bead testing

Lloyd Instruments : 23 August, 2006  (Company News)
Naturally, the tiny polymer beads that make up a typical ion exchange column require highstandards of manufacturing precision to be effective in water purification. Compression strength analysis of beads is just one of many physical tests in the company
Naturally, the tiny polymer beads that make up a typical ion exchange column require highstandards of manufacturing precision to be effective in water purification. Compression strength analysis of beads is just one of many physical tests in the companyís rigourousquality control programme. However, until recently, the company tested each be an individually, which was extremely time consuming and placed a significant drain onresources.

To solve this problem and speed up the testing process, Thermax installed a semi-automated testing solution from Lloyd Instruments that featured the company's LFPlus 1kN (225 lbf) single column testing machine, and a custom built rotating sample table. Capable ofaccommodating up to 72 beads at once, the sample table maintains precise probe alignmentfor each test, and rotates at a fixed smooth speed of 0.2 RPM. The table provides greater accuracy by eliminating any inaccuracies from side load effects and features a computerinterface for extended control.

A special bead compression test program, using Lloyd Instruments' NEXYGEN MT dataanalysis software and advanced Ondio application builder software, was developed. Theprogram rejects any beads that show abnormal results, and automatically generates a report on the percentage of beads that show a crush strength of less than 150 gms, less than 200gms and the average strength from a batch of 60.

Viraj Devasthale, from Hemetek Techno Instruments Pvt Ltd, (Lloyd Instruments' official India distributor), says: 'Thermax was delighted with the new automated set-up. The testing time has now been reduced from two hours down to a process that takes a single operator just 25 minutes.'

'Efficiency and accuracy has been enhanced greatly. Customers are notified only when abatch of sixty 'good' beads has passed, and the software generates an instant tailor-madereport full of all the necessary test data. It is this dedicated approach to materials testing solutions which is helping companies like Thermax achieve competitive advantage in a global economy.
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